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1、关于初一情态动词语法讲解第一张，PPT共十三页，创作于2022年6月情态动词（modal verbs)：表示说话人的语气或情态，如请求、命令、愿望、能力以及可能性等。英语的情态动词有：第二张，PPT共十三页，创作于2022年6月 can/could may/might must shall/should will/would need have to 能够可能必须应该意愿敢需要不得不+动词原形第三张，PPT共十三页，创作于2022年6月 肯定 否定 缩写否定 can can not cant couldcould not couldnt maymay not /mightmight not m
2、ightnt must must not mustnt shouldshould not shouldnt needneed notneednt第四张，PPT共十三页，创作于2022年6月Shall一般只能用于第一人称。I shall think it over and Let you know my idea.我将考虑一下此事，然后告诉你我的想法。第五张，PPT共十三页，创作于2022年6月情态动词情态动词不能单独作谓语动词不能单独作谓语动词，只能与，只能与动词原形动词原形一起一起做谓语，没有人称和数的变化。做谓语，没有人称和数的变化。A bird can fly.Fish cant liv
3、e without water.You must hand in your homework at once.You mustnt talk loudly in public.第六张，PPT共十三页，创作于2022年6月canmaymust词义词义词义词义肯定肯定肯定肯定 否定否定否定否定疑疑疑疑问问问问回答回答回答回答能够能够能够能够(表能力表能力表能力表能力)可以可以可以可以(表允许表允许表允许表允许)必须必须必须必须主语主语主语主语 +can+can+动动动动词原形词原形词原形词原形主语主语主语主语 +may+may+动动动动词原形词原形词原形词原形主语主语主语主语 +must+must
4、+动词原形动词原形动词原形动词原形主语主语主语主语 +cannot/+cannot/cant+cant+动词原形动词原形动词原形动词原形主语主语主语主语 +may not+may not+动词原形动词原形动词原形动词原形主语主语主语主语 +must not/+must not/mustnt+mustnt+动词原动词原动词原动词原形形形形Can+Can+主语主语主语主语 +动动动动词原形？词原形？词原形？词原形？May+May+主语主语主语主语 +动动动动词原形？词原形？词原形？词原形？Must+Must+主语主语主语主语 +动词原形？动词原形？动词原形？动词原形？Yes,Yes,主语主语主语主
5、语 +can.+can.No,No,主语主语主语主语 +cant.+cant.Yes,Yes,主语主语主语主语 +may.+may.No,No,主语主语主语主语 +may not.+may not.Yes,Yes,主语主语主语主语 +must.must.No,No,主语主语主语主语 +neednt.neednt.在口语中可用在口语中可用在口语中可用在口语中可用cancan代替，但代替，但代替，但代替，但maymay更礼貌。更礼貌。更礼貌。更礼貌。第七张，PPT共十三页，创作于2022年6月1.My elder brother _(1.My elder brother _(能能能能)drive
6、a cardrive a car.否定句：否定句：否定句：否定句：一般疑问句：一般疑问句：一般疑问句：一般疑问句：肯定回答：肯定回答：肯定回答：肯定回答：否定回答：否定回答：否定回答：否定回答：就划线部分提问：就划线部分提问：就划线部分提问：就划线部分提问：PracticePractice canMy elder brother cannot/cant drive a car.Can your elder brother drive a car?Yes,he can.No,he cant.What can your elder brother do?第八张，PPT共十三页，创作于2022年6月
7、2.You _(2.You _(可以可以可以可以)leave)leave nownow.否定句：否定句：否定句：否定句：一般疑问句：一般疑问句：一般疑问句：一般疑问句：肯定回答：肯定回答：肯定回答：肯定回答：否定回答：否定回答：否定回答：否定回答：就划线部分提问：就划线部分提问：就划线部分提问：就划线部分提问：PracticePractice mayYou may not leave now.May I leave now?Yes,you may.No,you may not.When may I leave?第九张，PPT共十三页，创作于2022年6月3.Lily _(3.Lily _(必须
8、必须必须必须)go to)go to the librarythe library.否定句：否定句：否定句：否定句：一般疑问句：一般疑问句：一般疑问句：一般疑问句：肯定回答：肯定回答：肯定回答：肯定回答：否定回答：否定回答：否定回答：否定回答：就划线部分提问：就划线部分提问：就划线部分提问：就划线部分提问：PracticePractice mustLily mustnt go to the library.Must Lily go to the library?Yes,she must.No,she neednt.Where must Lily go?第十张，PPT共十三页，创作于2022年6
9、月A.A.用用用用must(not),may(not),can(not)must(not),may(not),can(not)填空：填空：填空：填空：1.I dont understand this word._ I use your dictionary?-Yes,1.I dont understand this word._ I use your dictionary?-Yes,please use it.please use it.2.The traffic light is turning red.We _ stop.2.The traffic light is turning red
10、.We _ stop.3.You _ borrow two books at a time.3.You _ borrow two books at a time.4.Tom _ play table tennis,but he _ play football.4.Tom _ play table tennis,but he _ play football.5.Doctor,_ I take much medicine?5.Doctor,_ I take much medicine?-No,you neednt.But you _ drink a lot of water.-No,you nee
11、dnt.But you _ drink a lot of water.6.Tom is good at drawing.He _ draw wonderful pictures.6.Tom is good at drawing.He _ draw wonderful pictures.7.You _ smoke here.Its dangerous.7.You _ smoke here.Its dangerous.8.-May I turn on the TV?No,you _.My dad is sleeping.8.-May I turn on the TV?No,you _.My dad
12、 is sleeping.Test YourselfTest YourselfMay/Canmustmay/cancancantmustmustcan mustnt/cannot/may notmay notcant第十一张，PPT共十三页，创作于2022年6月Test YourselfTest YourselfB B.单项选择单项选择单项选择单项选择：1.-_ I ask you a question?-Sure1.-_ I ask you a question?-Sure A.May B.Do C.Should D.AmA.May B.Do C.Should D.Am2.Can I go
13、to the park,Mum?2.Can I go to the park,Mum?-Certainly.But you _ be back by six oclock.-Certainly.But you _ be back by six oclock.A.A.can B.may C.will D.mustcan B.may C.will D.must3._ you dance?We need some more dancers for the talent show.3._ you dance?We need some more dancers for the talent show.A
14、.A.May B.Can C.Must D.ShouldMay B.Can C.Must D.Should4.Im afraid I need a pair of glasses.I _ hardly see the words on the 4.Im afraid I need a pair of glasses.I _ hardly see the words on the blackboard.blackboard.A.A.can B.must C.may D.shouldcan B.must C.may D.should5.You _ cross the road now.You have to wait until the light turns 5.You _ cross the road now.You have to wait until the light turns green.green.A.dont B.didnt C.wont D.mustntA.dont B.didnt C.wont D.mustnt第十二张，PPT共十三页，创作于2022年6月感感谢谢大大家家观观看看第十三张，PPT共十三页，创作于2022年6月2022/9/19